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  3. Ball Mill Critical Speed Equation Pdf

Ball Mill Critical Speed Equation Pdf

The ball mill as a means of investigating the mechanical ,speed of the ball mill. the equation quoted for the critical speed is: where is the critical speed in r.p.m is the inner diameter of the ball mill and is the diameter of the largest ball in metres. In practice, ball mills are driven at of their critical speed, the choice being influenced by efficiency

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